EP2502421A4 - APPARATUS AND METHOD FOR ENCODING / DECODING USING PHASE INFORMATION AND RESIDUAL INFORMATION - Google Patents

APPARATUS AND METHOD FOR ENCODING / DECODING USING PHASE INFORMATION AND RESIDUAL INFORMATION

Info

Publication number
EP2502421A4
EP2502421A4 EP10825241.2A EP10825241A EP2502421A4 EP 2502421 A4 EP2502421 A4 EP 2502421A4 EP 10825241 A EP10825241 A EP 10825241A EP 2502421 A4 EP2502421 A4 EP 2502421A4
Authority
EP
European Patent Office
Prior art keywords
information
decoding
encoding
residual
phase information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10825241.2A
Other languages
German (de)
French (fr)
Other versions
EP2502421A2 (en
Inventor
Jung Hoe Kim
Eun Mi Oh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to EP15185423.9A priority Critical patent/EP2978233A1/en
Priority to EP18163389.2A priority patent/EP3358566A1/en
Publication of EP2502421A2 publication Critical patent/EP2502421A2/en
Publication of EP2502421A4 publication Critical patent/EP2502421A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
EP10825241.2A 2009-10-23 2010-10-25 APPARATUS AND METHOD FOR ENCODING / DECODING USING PHASE INFORMATION AND RESIDUAL INFORMATION Withdrawn EP2502421A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15185423.9A EP2978233A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information
EP18163389.2A EP3358566A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25441909P 2009-10-23 2009-10-23
KR1020100087613A KR101710113B1 (en) 2009-10-23 2010-09-07 Apparatus and method for encoding/decoding using phase information and residual signal
PCT/KR2010/007332 WO2011049416A2 (en) 2009-10-23 2010-10-25 Apparatus and method encoding/decoding with phase information and residual information

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP15185423.9A Division EP2978233A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information
EP18163389.2A Division EP3358566A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information

Publications (2)

Publication Number Publication Date
EP2502421A2 EP2502421A2 (en) 2012-09-26
EP2502421A4 true EP2502421A4 (en) 2013-09-11

Family

ID=44049382

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10825241.2A Withdrawn EP2502421A4 (en) 2009-10-23 2010-10-25 APPARATUS AND METHOD FOR ENCODING / DECODING USING PHASE INFORMATION AND RESIDUAL INFORMATION
EP18163389.2A Withdrawn EP3358566A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information
EP15185423.9A Ceased EP2978233A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP18163389.2A Withdrawn EP3358566A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information
EP15185423.9A Ceased EP2978233A1 (en) 2009-10-23 2010-10-25 Decoding method with phase information and residual information

Country Status (6)

Country Link
US (2) US8948404B2 (en)
EP (3) EP2502421A4 (en)
JP (2) JP5833557B2 (en)
KR (3) KR101710113B1 (en)
CN (2) CN102577384B (en)
WO (1) WO2011049416A2 (en)

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Also Published As

Publication number Publication date
EP2502421A2 (en) 2012-09-26
KR20110044693A (en) 2011-04-29
US20150124974A1 (en) 2015-05-07
KR20170021821A (en) 2017-02-28
JP5833557B2 (en) 2015-12-16
KR101710113B1 (en) 2017-02-27
KR101945309B1 (en) 2019-04-17
US8948404B2 (en) 2015-02-03
CN102577384A (en) 2012-07-11
JP6219903B2 (en) 2017-10-25
CN105323632A (en) 2016-02-10
JP2013508770A (en) 2013-03-07
KR101835850B1 (en) 2018-03-08
WO2011049416A3 (en) 2011-10-27
EP2978233A1 (en) 2016-01-27
US20110103592A1 (en) 2011-05-05
EP3358566A1 (en) 2018-08-08
CN102577384B (en) 2016-01-06
KR20180023941A (en) 2018-03-07
WO2011049416A2 (en) 2011-04-28
US10163445B2 (en) 2018-12-25
JP2016029500A (en) 2016-03-03

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